/Engine/Plugins/Animation/IKRig/Source/IKRigEditor/Public/RetargetEditor/IKRetargeterController.h
Assign a source chain to the given target chain. Animation will be copied from the source to the target.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, BlueprintPure=false, Category=IKRetargeter, Meta=(BlueprintThreadSafe)) bool SetSourceChain ( [FName](API\Runtime\Core\UObject\FName) SourceChainName, [FName](API\Runtime\Core\UObject\FName) TargetChainName ) const